Tech Optimism Lifts S&P 500, Nasdaq Near Records - WSJ
1. S&P 500 and Nasdaq approach all-time highs after April's market rally. 2. Tech stocks, including Amazon, gain from AI enthusiasm and strong earnings forecasts. 3. Investors regain confidence amid avoided trade war scenarios. 4. Dollar weakens with potential Fed chair appointment affecting rate expectations. 5. Tech sector growth could uplift peripheral industries like finance and healthcare.